Cloaking and enhanced scattering of core-shell plasmonic nanowires

Nonlinear Physics Center and Center for Ultra-high bandwidth Devices for Optical Systems (CUDOS), Research School of Physics and Engineering, Australian National University, Canberra ACT 0200,
Australia

Abstract

We study scattering of light from multi-layer plasmonic nanowires and reveal that such structures can demonstrate both enhanced and suppressed scattering regimes. We employ the mode-expansion method and experimental data for material parameters and introduce an optimized core-shell nanowire design which exhibits simultaneously superscatter-ing and cloaking properties at different wavelengths in the visible spectrum.

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